Re: [LAU] Realtime latency kernel testing

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To: Robin Gareus <robin@...>
Cc: <linux-audio-user@...>
Date: Friday, January 7, 2011 - 6:30 pm

On Fri, Jan 07, 2011 at 02:43:27PM +0100, Robin Gareus wrote:

hmm... with enough ram yes.
note that even without swap executable files are mmapped into the
processes addressspace, these pages can be dropped instantly, because
they already reside on disk. kernel likes doing that.

but with enough ram, you can assume most of the time, that ld.so faulted
the pages in, and they are going to remain mapped.

>

sure. if latency doesnt really matter, then that is the right choice.

>

RT is only about reliability :)

>

i know that latency doesnt really matter.
but for live FX and synths, it does matter.
thats probably a use case, which is not really used with transmission.

>

--
torben Hohn
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Messages in current thread:
[LAU] Realtime latency kernel testing, ailo, (Sun Dec 12, 12:03 pm)
Re: [LAU] Realtime latency kernel testing, Robin Gareus, (Sun Dec 12, 12:41 pm)
Re: [LAU] Realtime latency kernel testing, ailo, (Sun Dec 12, 2:51 pm)
Re: [LAU] Realtime latency kernel testing, ailo, (Sun Dec 12, 4:18 pm)
Re: [LAU] Realtime latency kernel testing, Robin Gareus, (Sun Dec 12, 4:17 pm)
Re: [LAU] Realtime latency kernel testing, Fabio, (Sun Dec 12, 5:12 pm)
Re: [LAU] Realtime latency kernel testing, Ronald Stewart, (Sun Dec 12, 5:42 pm)
Re: [LAU] Realtime latency kernel testing, Jeremy Jongepier, (Sun Dec 12, 6:22 pm)
Re: [LAU] Realtime latency kernel testing, torbenh, (Fri Jan 7, 12:32 pm)
Re: [LAU] Realtime latency kernel testing, Gabriel M. Beddingfield, (Fri Jan 7, 2:06 pm)
Re: [LAU] Realtime latency kernel testing, torbenh, (Fri Jan 7, 6:14 pm)
Re: [LAU] Realtime latency kernel testing, Gabriel M. Beddingfield, (Fri Jan 7, 9:37 pm)
Re: [LAU] Realtime latency kernel testing, Robin Gareus, (Fri Jan 7, 10:05 pm)
Re: [LAU] Realtime latency kernel testing, Gabriel M. Beddingfield, (Fri Jan 7, 10:19 pm)
Re: [LAU] Realtime latency kernel testing, Gabriel M. Beddingfield, (Wed Jan 12, 1:04 pm)
Re: [LAU] Realtime latency kernel testing, Robin Gareus, (Fri Jan 7, 1:43 pm)
Re: [LAU] Realtime latency kernel testing, torbenh, (Fri Jan 7, 6:30 pm)
Re: [LAU] Realtime latency kernel testing, Robin Gareus, (Fri Jan 7, 5:42 pm)
Re: [LAU] Realtime latency kernel testing, Robin Gareus, (Sun Dec 12, 5:33 pm)
Re: [LAU] Realtime latency kernel testing, ailo, (Sun Dec 12, 5:03 pm)
Re: [LAU] Realtime latency kernel testing, allcoms, (Sun Dec 12, 1:09 pm)
Re: [LAU] Realtime latency kernel testing, Peter Plessas, (Sun Dec 12, 12:35 pm)
Re: [LAU] Realtime latency kernel testing, ailo, (Sun Dec 12, 2:58 pm)